The average of 12 numbers is 15, and the average of the first four numbers is 13. What is the average of the remaining numbers?

16 14 12 18

16

Let average of remaining 8 numbers is P According to question , 12 × 15 = 4 × 13 + 8 × P 180 = 52 + 8P 128 = 8P P = 16 So , average of remaining 8 numbers is P